BY THE NUMBERS
ShotgunHemiParts.com 534ci Boss Ford
Bore: 4.444-inch
Stroke: 4.300-inch
Displacement: 534 actual cubic inches
Compression ratio: 11.4:1
Camshaft: COMP Cams solid roller
Cam duration: 254/246 degrees at .050-inch lift
Valve lift: .800/.800-inch
Rocker ratio: T&D Machine 1.75 ratio
Top ring: .043 Total Seal stainless steel
Second ring: .043 Total Seal Napier
Oil ring: 3/16-inch Hastings low-tension
Piston: Diamond custom
Block: OEM cast-iron C9AE-E
Crankshaft: Scat 4340 forged
Rods: Scat 6.800-inch H-beam
Cylinder head: TM Enterprises Boss "430"
Intake valve diameter: 2.45-inch
Exhaust valve diameter: 1.875-inch
Intake manifold: Weiand tunnel ram
Carburetor: Holley 4375 Dominators (two)
Header: Gilsbach Racecraft 21/4-inch primary
Ignition: MSD Digital Programmable 7

DYNO DATA
BEST QUALIFYING PULL
RPM TQ HP
3,000 623 356
3,100 625 369
3,200 619 377
3,300 610 383
3,400 600 389
3,500 590 393
3,600 582 399
3,700 579 408
3,800 584 423
3,900 599 445
4,000 618 470
4,100 633 495
4,200 648 518
4,300 660 541
4,400 668 560
4,500 674 578
4,600 675 592
4,700 683 611
4,800 697 637
4,900 713 665
5,000 724 689
5,100 732 711
5,200 740 733
5,300 746 753
5,400 749 770
5,500 747 783
5,600 744 793
5,700 741 804
5,800 738 815
5,900 732 823
6,000 727 830
6,100 719 835
6,200 711 840
6,300 705 846
6,400 698 850
6,500 689 852
6,600 679 854
6,700 670 855
6,800 659 853
6,900 645 847
7,000 634 845

SOURCE
Comp Cams
3406 Democrat Road
Memphis
TN  38118
800-999-0853
http://www.compcams.com
MSD IGNITIONS
El Paso
915-857-5200
www.msdignition.com
Innovators West
2816 Centennial Road
Salina
KS  67401
877-898-2645
http://www.innovatorswest.com
Shotgunhemiparts, LLC
Flint
MI
586-943-1216
http://www.shotgunhemiparts.com/
Diamond Pistons
23003 Diamond Drive
Clinton Township
MI  48035
877-552-2112
www.diamondracing.net